23SS0033_MNA Navlock Seal Components.pdf

The US Army Corps of Engineers, Walla Walla District is seeking sources to create and supply specific material to delivered to McNary Lock and Dam, Oregon.

All items shall be delivered FOB Destination to McNary Lock and Dam, Oregon. The contractor shall be responsible for packing and shipping the components and in a manner that will ensure undamaged and complete arrival.

This will be a firm-fixed-price supply purchase. The government expects to award a purchase order in early September 2023. We are considering the North American Industry Classification System (NAICS) code for this project to be NAICS 339991 (Gasket, Packing and Sealing Device Manufacturing) and the associated small business size standard is 500 employees. If you have an alternative suggestion, please provide.

Anticipated Solicitation Mid-August 2023.

This sources sought notice is a tool to identify businesses with the capability to accomplish the work. THIS IS NOT A SOLICITATION. Responses to this sources sought notice should include the following information:

1. A statement expressing interest in supplying rubber seals and the refurbishment of current molds. Please provide cutsheet, product description, and/or brochure for seals molded from rubber.

2. Range of anticipate delivery times/ lead times.

3. Is your firm a Large or Small Business with regards to the NAICS code listed above.

4. Name of your firm with a point of contact, phone number and email address, and physical address.

5. Cage Code and SAM UEI number.

This sources sought notice is for market research and planning purposes only and is not to be construed as a commitment by the Government to pay for information submitted in response to this request. Respondents will not be notified of the results of the market analysis and debriefings will not be available. It is the reader's responsibility to monitor the Government Point of Entry (GPE) via SAM.gov Contract Opportunities for any resultant or future solicitation package(s) that may be issued.

Submit this information to Tonya French, Purchasing Agent, via email to tonya.c.french@usace.army.mil. Your response to this notice must be received on or before 1600 Pacific Time, Monday July 31, 2023.

Summary of Scope of Work:

There will be a combination of manufactured seal molds needed to be made. Some the Contractor will manufacture which are the 5” and 6” Overall Width (OAW) straight J-Bulb section seal components using their own seal molds and the others being the contractor will use McNary Lock and Dam specific seal molds. The Contractor shall also clean and preserve the surfaces of McNary’s molds for long term storage.

Seal Composition and Manufacturing

• All seals shall be molded, not extruded.

• All seal corners shall be molded in one piece and not spliced together.

• Seals shall be manufactured of high-grade rubber tread stock.

• Rubber shall be free from reclaim, silica and other coarse materials.

• Seals shall be compounded of natural rubber, synthetic polyisoprene, or a blend of both, and shall contain reinforcing carbon black, zinc oxide, accelerators, antioxidants, vulcanizing agents, and plasticizers.

• The rubber seal profile shall be properly cured into a homogeneous form and kept free of oils, grease, or other materials that would deteriorate the rubber.

• Prior to manufacturer, the contractor shall furnish a list of all constituents and their approximate percentages to the contracting officer.

• All seals shall be solid bulb with no reinforcing cloth.

• The composition shall contain the following physical characteristics:

Physical Test Test Specifications ASTM Test Method Tensile strength 3000 psi (minimum) ASTM-D412 Elongation at break 450% (minimum) ASTM-D412 300% Modulus 900 psi (minimum) ASTM-D412

Durometer Hardness, shore type A

65 ± 5 ASTM-D2240

Water absorption 5% by weight (maximum) D471 (70 hr. @ 212F) Compression set 30% (maximum) ASTM-D395 Method B Tensile Strength after aging

80% (minimum, of tensile strength before aging oxygen bomb method)

ASTM-D572 (48 hr. @158F)

Low temperature brittleness

Pass –Non-Brittle 3’ @ - 40F

ASTM-D2137 Method A

Navigation Lock Seal Components

Straight J-Bulb 5” Overall Width (OAW)---Quantity of 20 Sections

• Straight J-Bulb Type 2” J-Bulb x 1” Thick Tail x 5” OAW x 20’ (Foot) in Length.

• Sections shall be joined by hot splice only using a 30/60-degree angle splice joint.

Straight J-Bulb 6” OAW---Quantity of 10 Sections

• Straight J-Bulb Type 2” J-Bulb x 1” Thick Tail x 6” OAW x 20’ (Foot) in Length.

• Sections shall be joined by hot splice only using a 30/60-degree angle splice joint.

Seal—Quantity of 4 Each

• Seal transitions side seal of 3” J-Bulb x 1” tail x 7-1/4” OAW to top seal of 3” J-Bulb x 1” tail x 5-3/4” OAW.

• McNary’s Seal Mold Number 4226R.

Seal---Quantity of 4 Each

• Seal transitions side seal of 3” J-Bulb x 1” tail x 7-1/4” OAW to top seal of 3” J-Bulb x 1” tail x 5-3/4” OAW.

• McNary’s Seal Mold Number 4250L.

Seal---Quantity of 6 Each

• Seal measures 3” J-Bulb x 1” tail x 5-3/4” OAW x Twelve (12) feet long.

• McNary’s Seal Mold Number 3848 with special 1-5/8” x 1” x 12’ insert.

Seal---Quantity of 12 Each

• Seal measures 3” J-Bulb x 1” tail x 7-1/4” OAW x Twelve (12) feet long.

• McNary’s Seal Mold Number 3848.

Government Furnished Property – Seal Mold Identification and Weights

McNary Seal Mold number 4226R--3,400 lbs.

• Mold dimension 41” wide x 29” deep x 14” tall

McNary Seal Mold number 4250L—3,400 lbs.

• Mold dimension 41” wide x 29” deep x 14” tall

McNary Seal Mold number 3848

• Mold dimension 18” wide x 17” deep x 8” tall.

Transportation - Shipping and Delivery

The contractor shall furnish the transportation services required for pick-up for delivery to the refurbishment facilities, and for final delivery back to project location.

For any questions regarding this sources sought please email Tonya French at tonya.c.french@usace.army.mil.